Chiraneau was a Human male who served the Galactic Empire during the Galactic Civil War. A TIE fighter ace and an expert in the field of deep-space transmissions, he was promoted to the rank of Rear Admiral by Firmus Piett, the commanding officer of Darth Vader's Death Squadron. In 4 ABY, Chiraneau was serving as Piett's personal advisor aboard the Super Star Destroyer Executor during the Battle of Endor, and he was killed when the warship plummeted into the second Death Star's surface.